7 Utility Patents
#173 in Essen
#36,322 in Germany
#596,499 in the World
Forward Citations = 31
Company Filing History:

Didier-werke Ag
Fried. Krupp Gesellschaft MIT Beschrankter Haftung
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#173 in Essen
#36,322 in Germany
#596,499 in the World
Company Filing History:

Get your Inventor Badge Today